نتایج جستجو برای: myocardium perfusion gated spect
تعداد نتایج: 114282 فیلتر نتایج به سال:
BACKGROUND Coronary artery disease is the leading cause of death in women, and underdiagnosis contributes to the high mortality. This study compared the sex-specific diagnostic performance of cardiovascular magnetic resonance (CMR) and single-photon emission computed tomography (SPECT). METHODS AND RESULTS A total of 235 women and 393 men with suspected angina underwent CMR, SPECT, and x-ray ...
Abstract Background False negative myocardial perfusion images on single-photon emission computed tomography (SPECT) imaging (MPI) is a substantial problem in the interpretation of MPI. To explore possible parameters from gated SPECT that could detected coronary artery disease (CAD) patients with normal images, we retrospectively selected who underwent 2-day Tc-99 m MIBI adenosine stress/rest M...
BACKGROUND Myocardial perfusion imaging (MPI) has been used in the assessment of chagasic heart disease. OBJECTIVE To investigate the value of gated-single photon emission computed tomography (gated-SPECT) MPI to detect early cardiac involvement in chagasic patients in the indeterminate phase, who present segmental motion abnormalities detected by tissue Doppler imaging (TDI)-derived strain. ...
1. Perfusion imaging to detect myocardial ischemia Myocardial ischemia occurs when insufficient blood flow, or perfusion, to the myocardium results in inadequate delivery of oxygen as well as inadequate removal of metabolites. These conditions may occur at rest due to insufficient oxygen supply (supply ischemia) or at stress due to a failure to sufficiently accommodate increased oxygen demand (...
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